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3 years ago

Why would it be more difficult to inject the nucleus of uranium with a proton?

Chemistry

1 answer:

nasty-shy [4]3 years ago

4 0

Answer:

Because there are already 92 protons in the

uranium nucleus, combining their repulsive power to reject the one new one. However, if the energy of the incoming proton is sufficiently great, then at extremely close distance, the uranium nucleus will attract the proton and draw it into the nucleus. This is called the strong force.

16 S 33

Explanation:

I hope it helped

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How long must $542 be invested at a rate of 7% to earn $303.52 in interest

yulyashka [42]

The number of years that must be invested at a rate of 7 % to earn$ 303.52 in interest is

8 years

calculation

by use of the formula A = P (1+ rt)
where : A is the final amount = 542 + 303.52 =$ 845.52

P is the principal money to be invested = $ 542

r= rate= 7/100=0.07

t= time required

=$ 845.52=$ 542( 1+ 0.07 t)

open the bracket
= $845.53= $542 + $37.94 t

like terms together

=$ 845.53 -$542 = $37.94 t

=$303.52 =$37.94 t

divide both side by $37.94

= $303.52/ $ 37.94 = $37.94t/$37.94

t= 8 years

7 0

3 years ago

In the following experiments, identify the

Sonja [21]

The tire pressure
Independent variable
Increases as the temperature increases
Dependent variable
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6 0

3 years ago

Read 2 more answers

Which of the term best describe the developing country? Select the three

Romashka-Z-Leto [24]

A developing country (or a low and middle income country (LMIC), less developed country, less economically developed country (LEDC), or underdeveloped country) is a country with a less developed industrial base and a low Human Development Index (HDI) relative to other countries.

8 0

4 years ago

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The wall of an industrial furnace is constructed from 0.15-m-thick, fireclay brick having a thermal conductivity of LZ W/m.K. Me

aliya0001 [1]

Answer:

The rate of heat loss through the wall is 1700 watts.

Explanation:

The complete statement of the problem is:

The wall of an industrial furnace is constructed from 0.15-m-thick, fireclay brick having a thermal conductivity of 1.7 W/m·K. Measurements made during steady state operation reveal temperatures of 1400 and 1150 K at the inner and outer sur- faces, respectively. What is the rate of heat loss through a wall that is 0.5 m by 1.2 m on a side?

Given that wall of the industrial furnace is under steady conditions of heat transfer and whose configuration is a flat element, we use the equation of conductive heat transfer rate ( $\dot Q$ ), measured in watts:

$\dot Q = \frac{k\cdot w\cdot h}{l}\cdot (T_{i}-T_{o})$

Where:

$k$ - Thermal conductivity, measured in watts per meter-Kelvin.

$w$ - Width of the wall, measured in meters.

$h$ - Height of the wall, measured in meters.

$l$ - Thickness of the wall, measured in meters.

$T_{i}$ - Inner surface temperature, measured in Kelvin.

$T_{o}$ - Outer surface temperature, measured in Kelvin.

If we know that $k = 1.7 \,\frac{W}{m\cdot K}$ , $w = 1.2\,m$ , $h = 0.5\,m$ , $l = 0.15\,m$ , $T_{i} = 1400\,K$ and $T_{o} = 1150\,K$ , the steady state heat transfer is: